28821520 (number)

28821520 is an even 8-digits composite number following 28821519 and preceding 28821521. In scientific notation, it is written as 2.8821520 × 10^7. The sum of its digits is 28. It has a total of 8 prime factors and 80 positive divisors. There are 8792064 positive integers (up to 28821520) that are relatively prime to 28821520.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand five hundred twenty

Notation

Scientific notation 2.8821520 × 10^7
Engineering notation 2.8821520 × 10^6

Prime Factorization of 28821520

Prime Factorization 2 × 2 × 2 × 2 × 35 × 13 × 107 × 37

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3602690
Product of the distinct prime numbers

The prime factorization of 28821520 is 2 × 2 × 2 × 2 × 35 × 13 × 107 × 37. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 6, 55, 22, 19, 602, 5294, 5905, 8652, 62741, 398258, 805571, 5594562, 2568270, 2530319, 24278976, 109592134, 535658000, 8211090563, 8196212510

Basic calculations (n = 28821520)

Multiplication

n×y
n×2 57643040
n×3 86464560
n×4 115286080
n×5 144107600

Division

n÷y
n÷2 14410760
n÷3 9607173.3333333
n÷3 7205380
n÷5 5764304

Exponentiation

ny
n2 830680015110400
n3 2.3941460669105E+22
n4 6.9002928750381E+29
n5 1.9887692910377E+37

Nth Root

y√n
2√n 5368.5677792126
3√n 306.60010107415
4√n 73.270510979606
5√n 31.041548386587

Divisors of 28821520

1, 2, 4, 8, 13, 16, 26, 35, 37, 52, 70, 74, 104, 107, 140, 148, 208, 214, 280, 296, 428, 455, 481, 560, 592, 856, 910, 962, 1295, 1391, 1712, 1820, 1924, 2590, 2782, 3640, 3745, 3848, 3959, 5180, 5564, 7280, 7490, 7696, 7918, 10360, 11128, 14980, 15836, 16835, 20720, 22256, 29960, 31672, 33670, 48685, 51467, 59920, 63344, 67340, 97370, 102934, 134680, 138565, 194740, 205868, 269360, 277130, 389480, 411736, 554260, 778960, 823472, 1108520, 1801345, 2217040, 3602690, 7205380, 14410760, 28821520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821520 can be divided by 80 positive divisors. The sum of these divisors (counting 28821520) is 1, the average is 0.0125.

Base conversion 28821520

Base System Value
2 Binary 1101101111100100000010000
3 Ternary 2000020021200201
4 Quaternary 1231330200100
5 Quinary 24334242040
6 Senary 2505424544
8 Octal 155744020
10 Decimal 28821520
12 Duodecimal 979b154
16 Hexadecimal 1b7c810
20 Vigesimal 902dg0
36 Base36 h5qts

Cryptographic Hash Functions

md5 9f37c7bf8fb4729da2063ad4d4e7259f
sha1 a7b4d1dbbfd69cc8f5db2eab059fb05ca0a17ebc
sha256 a713839adacb7671891ef5db30bae6a95f57cb36156c8d6a040a8238c5eac5d2
sha512 04630906bb0b7995d38153741cf8e6cbdbbe649d04c5c2560526b2ed87010d3fdae795be2f97b2cf8454851927e57a788f7a54ec4e76daa36aa8f00f4437e8c8
ripemd-160 c8fe1546fbd96955ec9040661a66955aace0bdcf

28821520 as geometric shapes

Circle

Radius = n
Diameter 57643040
Circumference 181090950.99458
Area 2.6096582329547E+15

Sphere

Radius = n
Volume 1.0028575593902E+23
Surface area 1.0438632931819E+16
Circumference 181090950.99458

Square

Length = n
Perimeter 115286080
Area 830680015110400
Diagonal 40759784.472207

Cube

Length = n
Surface area 4984080090662400
Volume 2.3941460669105E+22
Space diagonal 49920336.991363

Equilateral Triangle

Length = n
Perimeter 86464560
Area 3.5969499775082E+14
Altitude 24960168.495681

Triangular Pyramid

Length = n
Surface area 3.5969499775082E+14
Volume 2.8215281984392E+21
Height 13586594.824069